The government has banned the use of chemical weapons.

As the fundamental solution to settle the crisis of water resources, the optimized allocation and management of water resources is imperative. 2. Water environmental capacity ( WEC) model was set up combined with the characteristics of the river in Laoshan District.

作为根本解决水资源危机的重要途径，水资源优化配置与管理势在必行。

Wedge Error Compensation technology is a key part of the double sides mask aligner. The WEC technology brings two parallel planes between substrate surface and circuit design surface of mask, which are provided for the stage for alignment.

楔形误差补偿技术是双面光刻机中的关键技术之一，它使基片表面和掩模电路图形表面形成2个平行平面，提供给对准工作台进行对准操作。

Taking WEC of the river between Wushi Dam and Sanzhou Dam in the upstream as an example, two methods, the capacity definition method and analytic solution were compared.

以榕江上游乌石坝-三洲拦河坝段水环境容量为例，对容量定义法及解析解两种方法进行了对比研究。

Objective To investigate the developmental toxicity of all-trans retinoic acid ( atRA) and its possible mechanism, the post-implantation whole embryo culture ( WEC) was used.

目的为研究全反式视黄酸（atRA）的发育毒性及其可能的作用机制，本研究采用植入后体外全胚胎培养方法研究atRA对小鼠胚胎生长发育的影响。

In order to investigate the effect of homocysteine ( HCY) on the development of rat embryos, the post implantation whole embryo culture ( WEC) technique was used.

采用着床后体外全胚胎培养方法，观察同型半胱氨酸（homocysteine，HCY）对大鼠胚胎生长发育的影响。

Hole and Impact of Imperial Secretariat on the History of Ancient Document Collection

秘书监在古代文献集藏历史中的作用和影响

Technical cooperation trust fund to provide an expert to the ozone secretariat;

向臭氧秘书处提供一位专家的技术合作信托基金；

Commonwealth Regional health Community Secretariat for East, Central and Southern Africa

这本新书已全部售完。英联邦东部、中部和南部非洲区域卫生秘书处

Development to date presented in the updated background brief prepared by the secretariat.

秘书处拟备了最新的背景资料简介，载述截至当时的发展情况。

International Secretariat of Arts, Communications Media and Entertainment Trade

国际艺术、新闻媒体和娱乐工会秘书处

All personal information will to be used exclusively by our secretariat for internal use.

所有个人信息只供我们的秘书内部使用。

Action Programme for the Improvement of the Status of Women in the Secretariat

关于改善秘书处妇女地位的行动纲领议

The Secretariat would continue to monitor developments in this regard.

秘书处将继续监测这方面的进展。

Secretariat of the United Nations Fund for Drug Abuse Control

联合国管制滥用麻醉品基金秘书处

Either the Secretariat or the Working Group it has a number of advantages.

无论是在秘书处还是工作组都有数量上的优势。

Secretariat of the Industrial Development Board Assistant Secretary-General for Personnel Services

工业发展理事会秘书处主管人事厅助理秘书长

Department for Political and General Assembly Affairs and Secretariat Services

政治和大会事务及秘书处服务部

Quality Education Fund Secretariat [ Education and Manpower Bureau]

优质教育基金秘书处〔教育统筹局〕

That's a mouthful called adjusted earnings before interest, tax, depreciation and amortisation ( ebitda), and the total there between 2013 and 2015 came in at a positive$ 1.7bn.

那是一个极其绕口的词：息税折旧及摊销前利润（Ebitda），2013年至2015年期间该数据的总额为17亿美元。

This expands the pool of potential hires, but keeps these new staffers from draining the expensive time of senior people on their first projects with questions about what EBITDA means and how to line up numbers on Excel.

此外，新员工们参与第一个项目时，也不会因为不懂息税折旧摊销前利润（EBITDA）是什么意思，怎么在Excel中排列数字这些问题来浪费老员工们的宝贵时间。